dorsum sellae

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dor·sum sel·'lae

a square portion of bone on the body of the sphenoid posterior to the sella turcica or hypophysial fossa.
Synonym(s): dorsum ephippii

dorsum sellae

the posterior boundary of the sella turcica of the sphenoid bone. It bears the posterior clinoid process and is an anatomical marker for the location of the pituitary gland at the base of the skull.

dorsum sellae (dôr´səm sel´ē),

n the most posterior point on the internal contour of the sella turcica.
References in periodicals archive ?
His cranial radiographs revealed an enlarged sellae turcica and destruction of dorsum sellae.
It slopes backward and downward from the dorsum sellae to the foramen magnum in the occipital bone.
The dorsum sellae were eroded, but posterior and anterior extension of the tumor was minimal (Figure 1, A).